Hit return if xterm was found...
The /home/sandbox/tmp/ecce-v6.4/scripts/sysdir script identifies the build
platform directory as: empty
Because this value is empty no platform-specific parent
directory will be created for ECCE executables, libraries, etc.
This works fine unless your site needs support for multiple platforms.
Finished checking prerequisites for building ECCE.
Do you want to skip these checks for future build_ecce invocations (y/n)? Y

And see the next section for the installation steps.
The compilation steps take progressively longer and longer, so be patient during the build.
Installing:
Digital ink is cheap, so I'll show the whole process: